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Remote AI training and data labeling jobs in South Korea

Find remote AI training and data labeling jobs open to applicants in South Korea.

  • 100% remote
  • Flexible hours
  • Hourly / per-task pay
  • 6 open roles

Scientific Computing AI Evaluation Expert

Create and evaluate multi-step computational mathematics tasks for AI agents, with expert solutions, tests, grading criteria, and documentation. This remote five-week contractor assignment pays $300 per approved task and requires at least 40 hours per week.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Per task · $300/label

Posted Sep 26, 2026

Voice Recording Specialist (Spanish)

Record polished Spanish voice-over audio for AI training and media projects at $200 per finished hour. This flexible remote contractor role requires professional recording experience, strong diction, and a high-quality setup.

Audio & Speech
Audio
Remote · Worldwide
Spanish
Part-time · Flexible
Entry level

Posted Sep 24, 2026

Earth Sciences Computational Workflow Expert

Create terminal-based Earth science tasks for AI agents using scientific programming, geospatial data, modeling, and objective evaluation. This remote contractor assignment pays $300 per approved task and runs for five weeks.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Per task · $300/label

Posted Sep 24, 2026

Computational Life Sciences Task Designer

Design multi-step computational life sciences tasks that test whether AI agents can inspect data, run code, solve problems, and explain results. This remote contractor role pays $280 per approved task.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Per task · $280/label

Posted Sep 22, 2026

Digital Imaging Specialist / Digital Artist

Edit, retouch, and annotate 2D and 3D design assets for AI training. This remote contractor project runs 8 to 10 weeks and welcomes part-time artists working 25 to 30 hours per week.

Image & Video Annotation
Image
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly pay

Posted Sep 21, 2026

Music Instrument Audio Evaluator

Listen to short AI-generated music clips and identify their instrument family and specific instrument. This remote, fixed-price project pays $150-$160 and must be completed within a flexible two-day window.

Audio & Speech
Audio
Remote · Worldwide
English
Part-time · Flexible
Entry level
Fixed price · $160

Posted Sep 19, 2026

Accounting And Finance AI Advisor

Use senior accounting and finance experience to answer complex questions, analyze financial data, and give clear advisory recommendations for AI applications. This remote freelance engagement runs up to 40 hours per week for an initial 10 weeks.

Legal & Finance
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Sep 18, 2026

Business Analyst (Turkish)

Review Turkish and English content that helps language models improve. Research claims, summarize material, solve reasoning tasks, and provide clear feedback in a remote role requiring 20 or more hours each week.

Generative AI & RLHF
Text
Remote · Worldwide
Turkish, English
Part-time · Flexible
Entry level

Posted Sep 11, 2026

Multilingual LLM Data Analyst (Norwegian)

Help improve large language models by answering analytical questions, checking written claims, creating reasoning scenarios, and explaining your decisions in English and Norwegian. This remote contractor role requires 20 or more hours per week.

Generative AI & RLHF
Text
Remote · Worldwide
Norwegian, English
Part-time · Flexible
Entry level

Posted Sep 11, 2026

AI Language Model Analyst (Japanese)

Review Japanese and English content, solve analytical questions, and give clear feedback that helps improve AI language models. This worldwide contract role requires 20 or more hours each week and does not require prior AI training experience.

Generative AI & RLHF
Text
Remote · Worldwide
Japanese, English
Part-time · Flexible
Entry level

Posted Sep 11, 2026

Multilingual LLM Data Analyst (French)

Help improve language models by researching claims, solving analytical questions, creating reasoning examples, and reviewing French and English responses. This remote, entry-level contract requires at least 20 hours per week.

Generative AI & RLHF
Text
Remote · Worldwide
French, English
Part-time · Flexible
Entry level

Posted Sep 11, 2026

AI Content Analyst (Spanish)

Review and improve AI-generated answers using Spanish and English, online research, logical reasoning, and clear written feedback. This remote contractor role requires 20 or more hours each week and some overlap with US hours.

Generative AI & RLHF
Text
Remote · Worldwide
Spanish, English
Part-time · Flexible
Entry level

Posted Sep 11, 2026

CAD and Simulation Engineer for AI Training

Support AI training by creating and reviewing CAD models, simulation models, calculations, schematics, and engineering documentation. This remote 8-week contract requires 20 to 40 hours weekly and at least 10 years of relevant experience.

General Annotation
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Sep 8, 2026

AI Content Analyst (Thai and English)

Analyze Thai and English content, check claims, answer reasoning questions, and create feedback for AI systems. This remote contractor role requires 20+ hours per week and offers flexible work for bilingual candidates.

Generative AI & RLHF
Text
Remote · Worldwide
Thai, English
Part-time · Flexible
Entry level

Posted Sep 7, 2026

Small Business AI Response Evaluator

Create realistic small-business prompts, compare chatbot responses, and submit structured evaluations in English. This 16-week freelance project requires 20 or more hours each week.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Sep 5, 2026

Digital Character Illustration Artist

Create polished digital character illustrations from reference images, develop style variations, and document your creative choices for an AI training project. This remote contractor role offers flexible participation and welcomes emerging artists.

Image & Video Annotation
Image
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Sep 3, 2026

Web Research Benchmark Designer

Create difficult, verifiable research questions and evidence trails for AI browsing-agent benchmarks. This worldwide contract role pays $30 per task and requires 20+ hours weekly.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Per task · $30/label

Posted Aug 28, 2026

Art Domain Expert for AI Evaluation

Create challenging prompts and evaluate AI responses across fine arts, visual arts, architecture, design, art history, museums, and artists. This contract role requires advanced subject expertise, excellent written English, and at least 20 hours per week.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Aug 19, 2026

Political Science LLM Evaluation Expert

Use political science expertise to create evaluation prompts, review LLM responses, test difficult cases, and give evidence-backed feedback. This eight-week contractor assignment requires 40 hours per week and four hours of Pacific Time overlap.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Aug 15, 2026

Educational AI Response Evaluator

Review AI-generated educational content, verify information, explain errors, and write concise annotations. This remote, 16-week contractor project pays $30 per hour and requires at least 20 hours weekly.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $30/hr

Posted Aug 15, 2026

Blender 3D AI Agent Trainer

Create realistic Blender tasks, record complete screen demonstrations, and write clear grading criteria for AI agents. This remote contract role pays $18 to $30 per hour and requires 20+ hours per week.

Generative AI & RLHF
Video
Remote · Australia, Bangladesh, Bhutan +28 more
English
Part-time · Flexible
Intermediate level
Hourly · $18–$30/hr

Posted Aug 12, 2026

Sports LLM Evaluation Expert

Review sports-focused AI prompts and responses for accuracy, reasoning, completeness, and nuance. This remote eight-week contractor assignment requires 40 hours per week and strong sports knowledge.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Aug 11, 2026

Music Domain Expert for AI Response Evaluation

Evaluate AI-generated music responses for accuracy, reasoning, completeness, and nuance. This remote, eight-week contractor assignment requires 40 hours per week and four hours of Pacific Time overlap.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Aug 10, 2026

Medical AI Clinical Reasoning Evaluator

Help evaluate how AI systems handle real clinical problems by creating medical scenarios, testing clinical reasoning, and judging model performance. This remote freelance role requires an actively practicing licensed physician and offers flexible scheduling for 20+ hours per week.

Medical & Health
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Aug 3, 2026

Small Business AI Response Evaluator (Spanish)

Evaluate chatbot responses in Spanish for small business scenarios, from customer interactions and marketing to operations and financial planning. This contractor project requires 20 or more hours each week.

Generative AI & RLHF
Text
Remote · Worldwide
Spanish
Part-time · Flexible
Intermediate level

Posted Aug 1, 2026

Medical AI Clinical Reasoning Evaluator

Help evaluate how AI systems handle real medical problems by creating clinical scenarios and assessment methods. This remote, flexible contract is for a currently practicing, licensed physician.

Medical & Health
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Jul 25, 2026

AI Personalization Evaluator (Russian)

Evaluate Russian-language AI conversations, test how models use personal context, and explain which responses are accurate, helpful, and natural. This remote contractor role pays $15 per hour for 20 or more hours per week.

Generative AI & RLHF
Text
Remote · Worldwide
Russian
Part-time · Flexible
Entry level
Hourly · $15/hr

Posted Jul 24, 2026

Voice Actor for AI Training (Korean)

Record Korean scripts, characters, and stories for AI training projects using clear speech, emotional range, and professional audio. This flexible contractor role supports remote or studio work and requires 20 or more hours per week.

Audio & Speech
Audio
Remote · Worldwide
Korean
Part-time · Flexible
Entry level

Posted Jul 20, 2026

AI Personalization Quality Evaluator (Polish)

Review Polish AI conversations, compare personalized responses, and explain what makes them helpful, natural, and accurate. This remote contractor role pays $20 per hour for 20 to 40 hours per week.

Generative AI & RLHF
Text
Remote · Worldwide
Polish
Part-time · Flexible
Entry level
Hourly · $20/hr

Posted Jul 20, 2026

Bahasa Indonesian-Speaking Business Analyst

Analyze content, validate claims, solve reasoning questions, and write feedback that helps improve language models. This remote contract role requires professional fluency in English and Bahasa Indonesian.

Generative AI & RLHF
Text
Remote · Worldwide
Indonesian, English
Part-time · Flexible
Entry level

Posted Jul 20, 2026

What this work can involve

AI training work involves human preparation and review of examples used by artificial-intelligence systems. Depending on the individual opportunity, this can include annotating images or video, transcribing or recording audio, writing or rating model responses, evaluating search results, translating text, reviewing code, or applying subject-matter knowledge. For applicants located in South Korea, each live posting defines the work and its applicable location rules.

  • Tasks may involve visual content, audio, written responses, search results, translation, code, or subject-matter review, as stated in the individual posting.
  • The live posting is the source of truth for responsibilities, qualifications, experience, eligibility, hours, and pay.
  • Review each posting to understand the specific work connected with preparing or reviewing AI examples.

How hiring works through OpenTrain

OpenTrain is the hiring organization for roles open to applicants located in South Korea. Candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. The individual live posting provides the applicable details for each opportunity.

  • Candidates apply through OpenTrain.
  • OpenTrain may place or refer successful candidates to the client whose project they will support.
  • Read the individual live posting for role-specific eligibility and other requirements.

Frequently asked questions

What can this work involve?
Remote AI training and data labeling work open to applicants located in South Korea can involve preparing or reviewing material used by artificial-intelligence systems. Depending on the individual posting, this may include image or video annotation, audio transcription or recording, response writing or rating, search-result evaluation, translation, code review, or subject-matter review. The live posting determines the actual responsibilities.
Where can I find role-specific details?
The individual live posting is the only source of truth for eligibility, qualifications, responsibilities, experience, pay, hours, schedule, location rules, and client-specific requirements. Applicants located in South Korea should inspect each posting for the details that apply to that opportunity.
How does hiring work through OpenTrain?
OpenTrain is the hiring organization for roles on OpenTrain, and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. The individual live posting provides the applicable details for each opportunity.